root / tags / v1_0_1_RELEASE / libraries / libjni-gdal / include / ogr_geometry.h @ 9531
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1 | 879 | igbrotru | /******************************************************************************
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2 | * $Id$
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3 | *
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4 | * Project: OpenGIS Simple Features Reference Implementation
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5 | * Purpose: Classes for manipulating simple features that is not specific
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6 | * to a particular interface technology.
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7 | * Author: Frank Warmerdam, warmerda@home.com
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8 | *
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9 | ******************************************************************************
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10 | * Copyright (c) 1999, Frank Warmerdam
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11 | *
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12 | * Permission is hereby granted, free of charge, to any person obtaining a
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13 | * copy of this software and associated documentation files (the "Software"),
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14 | * to deal in the Software without restriction, including without limitation
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15 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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16 | * and/or sell copies of the Software, and to permit persons to whom the
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17 | * Software is furnished to do so, subject to the following conditions:
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18 | *
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19 | * The above copyright notice and this permission notice shall be included
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20 | * in all copies or substantial portions of the Software.
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21 | *
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22 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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23 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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24 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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25 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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26 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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27 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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28 | * DEALINGS IN THE SOFTWARE.
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29 | ******************************************************************************
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30 | *
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31 | * $Log$
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32 | 8765 | jjdelcerro | * Revision 1.2.10.2 2006-11-15 00:08:29 jjdelcerro
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33 | 879 | igbrotru | * *** empty log message ***
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34 | *
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35 | 7847 | nacho | * Revision 1.3 2006/10/03 07:05:18 nacho
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36 | * *** empty log message ***
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37 | *
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38 | * Revision 1.1 2006/07/18 16:21:00 nacho
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39 | * *** empty log message ***
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40 | *
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41 | * Revision 1.1 2006/06/29 16:23:27 nacho
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42 | * *** empty log message ***
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43 | *
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44 | * Revision 1.2 2006/01/09 12:50:13 nacho
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45 | * *** empty log message ***
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46 | *
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47 | 3540 | nacho | * Revision 1.1 2005/07/27 08:22:55 igbrotru
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48 | * *** empty log message ***
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49 | *
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50 | * Revision 1.1 2005/01/11 15:23:01 igbrotru
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51 | * *** empty log message ***
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52 | *
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53 | 879 | igbrotru | * Revision 1.50 2004/09/17 15:05:36 fwarmerdam
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54 | * added get_Area() support
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55 | *
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56 | * Revision 1.49 2004/08/20 21:21:28 warmerda
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57 | * added support for managing a persistent geos::GeometryFactory
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58 | *
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59 | * Revision 1.48 2004/07/10 04:54:23 warmerda
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60 | * added GEOS methods, and closeRings
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61 | *
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62 | * Revision 1.47 2004/02/21 15:36:14 warmerda
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63 | * const correctness updates for geometry: bug 289
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64 | *
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65 | * Revision 1.46 2003/09/11 22:47:54 aamici
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66 | * add class constructors and destructors where needed in order to
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67 | * let the mingw/cygwin binutils produce sensible partially linked objet files
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68 | * with 'ld -r'.
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69 | *
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70 | * Revision 1.45 2003/08/27 15:40:37 warmerda
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71 | * added support for generating DB2 V7.2 compatible WKB
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72 | *
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73 | * Revision 1.44 2003/05/28 19:16:42 warmerda
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74 | * fixed up argument names and stuff for docs
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75 | *
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76 | * Revision 1.43 2003/04/28 15:39:33 warmerda
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77 | * ryan added forceToMultiPolyline and forceToMultiPoint
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78 | *
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79 | * Revision 1.42 2003/03/06 20:29:27 warmerda
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80 | * added GML import/export entry points
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81 | *
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82 | * Revision 1.41 2003/01/14 22:13:35 warmerda
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83 | * added isClockwise() method on OGRLinearRing
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84 | *
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85 | * Revision 1.40 2003/01/08 22:04:11 warmerda
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86 | * added forceToPolygon and forceToMultiPolygon methods
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87 | *
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88 | * Revision 1.39 2003/01/07 16:44:27 warmerda
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89 | * added removeGeometry
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90 | *
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91 | * Revision 1.38 2003/01/02 21:45:23 warmerda
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92 | * move OGRBuildPolygonsFromEdges into C API
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93 | *
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94 | * Revision 1.37 2002/10/25 15:20:50 warmerda
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95 | * fixed MULTIPOINT WKT format
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96 | *
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97 | * Revision 1.36 2002/10/24 20:53:02 warmerda
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98 | * expand tabs
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99 | *
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100 | * Revision 1.35 2002/09/26 18:13:17 warmerda
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101 | * moved some defs to ogr_core.h for sharing with ogr_api.h
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102 | *
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103 | * Revision 1.34 2002/09/11 13:47:17 warmerda
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104 | * preliminary set of fixes for 3D WKB enum
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105 | *
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106 | * Revision 1.33 2002/08/12 15:02:18 warmerda
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107 | * added OGRRawPoint and OGREnvelope initializes
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108 | *
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109 | * Revision 1.32 2002/05/02 19:45:36 warmerda
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110 | * added flattenTo2D() method
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111 | *
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112 | * Revision 1.31 2002/02/22 22:23:38 warmerda
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113 | * added tolerances when assembling polygons
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114 | *
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115 | * Revision 1.30 2002/02/18 21:12:23 warmerda
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116 | * added OGRBuildPolygonFromEdges
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117 | *
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118 | * Revision 1.29 2001/11/01 16:56:08 warmerda
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119 | * added createGeometry and destroyGeometry methods
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120 | *
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121 | * Revision 1.28 2001/09/21 16:24:20 warmerda
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122 | * added transform() and transformTo() methods
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123 | *
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124 | * Revision 1.27 2001/09/04 14:48:34 warmerda
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125 | * added some more 2.5D geometry types
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126 | *
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127 | * Revision 1.26 2001/05/24 18:05:18 warmerda
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128 | * substantial fixes to WKT support for MULTIPOINT/LINE/POLYGON
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129 | *
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130 | * Revision 1.25 2001/02/06 17:10:28 warmerda
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131 | * export entry points from DLL
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132 | *
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133 | * Revision 1.24 2001/01/19 21:10:47 warmerda
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134 | * replaced tabs
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135 | *
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136 | * Revision 1.23 2000/10/17 17:55:26 warmerda
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137 | * added comments for byte orders
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138 | *
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139 | * Revision 1.22 2000/04/26 18:25:55 warmerda
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140 | * added missing CPL_DLL attributes
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141 | *
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142 | * Revision 1.21 2000/03/14 21:38:17 warmerda
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143 | * added method to translate geometrytype to name
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144 | *
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145 | * Revision 1.20 1999/11/18 19:02:20 warmerda
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146 | * expanded tabs
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147 | *
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148 | * Revision 1.19 1999/11/04 16:26:12 warmerda
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149 | * Added the addGeometryDirectly() method for containers.
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150 | *
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151 | * Revision 1.18 1999/09/22 13:19:09 warmerda
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152 | * Added the addRingDirectly() method on OGRPolygon.
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153 | *
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154 | * Revision 1.17 1999/09/13 14:34:07 warmerda
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155 | * updated to use wkbZ of 0x8000 instead of 0x80000000
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156 | *
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157 | * Revision 1.16 1999/09/13 02:27:32 warmerda
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158 | * incorporated limited 2.5d support
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159 | *
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160 | * Revision 1.15 1999/08/29 17:14:29 warmerda
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161 | * Added wkbNone.
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162 | *
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163 | * Revision 1.14 1999/07/27 00:48:11 warmerda
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164 | * Added Equal() support
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165 | *
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166 | * Revision 1.13 1999/07/08 20:26:03 warmerda
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167 | * No longer override getGeometryType() on OGRLinearRing.
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168 | *
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169 | * Revision 1.12 1999/07/07 04:23:07 danmo
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170 | * Fixed typo in #define _OGR_..._H_INCLUDED line
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171 | *
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172 | * Revision 1.11 1999/07/06 21:36:46 warmerda
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173 | * tenatively added getEnvelope() and Intersect()
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174 | *
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175 | * Revision 1.10 1999/06/25 20:44:42 warmerda
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176 | * implemented assignSpatialReference, carry properly
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177 | *
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178 | * Revision 1.9 1999/05/31 20:44:11 warmerda
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179 | * ogr_geometry.h
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180 | *
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181 | * Revision 1.8 1999/05/31 15:01:59 warmerda
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182 | * OGRCurve now an abstract base class with essentially no implementation.
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183 | * Everything moved down to OGRLineString where it belongs. Also documented
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184 | * classes.
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185 | *
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186 | * Revision 1.7 1999/05/31 11:05:08 warmerda
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187 | * added some documentation
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188 | *
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189 | * Revision 1.6 1999/05/23 05:34:40 warmerda
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190 | * added support for clone(), multipolygons and geometry collections
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191 | *
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192 | * Revision 1.5 1999/05/20 14:35:44 warmerda
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193 | * added support for well known text format
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194 | *
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195 | * Revision 1.4 1999/05/17 14:39:13 warmerda
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196 | * Added ICurve, and some other IGeometry and related methods.
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197 | *
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198 | * Revision 1.3 1999/05/14 13:30:59 warmerda
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199 | * added IsEmpty() and IsSimple()
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200 | *
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201 | * Revision 1.2 1999/03/30 21:21:43 warmerda
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202 | * added linearring/polygon support
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203 | *
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204 | * Revision 1.1 1999/03/29 21:21:10 warmerda
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205 | * New
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206 | *
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207 | */
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208 | |||
209 | #ifndef _OGR_GEOMETRY_H_INCLUDED
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210 | #define _OGR_GEOMETRY_H_INCLUDED
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211 | |||
212 | #include "ogr_core.h" |
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213 | #include "ogr_spatialref.h" |
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214 | |||
215 | /**
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216 | * \file ogr_geometry.h
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217 | *
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218 | * Simple feature geometry classes.
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219 | */
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220 | |||
221 | /**
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222 | * Simple container for a position.
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223 | */
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224 | class OGRRawPoint |
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225 | { |
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226 | public:
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227 | OGRRawPoint() |
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228 | { |
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229 | x = y = 0.0; |
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230 | } |
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231 | double x;
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232 | double y;
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233 | }; |
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234 | |||
235 | namespace geos { |
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236 | class Geometry; |
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237 | class GeometryFactory; |
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238 | }; |
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239 | |||
240 | /************************************************************************/
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241 | /* OGRGeometry */
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242 | /************************************************************************/
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243 | |||
244 | /**
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245 | * Abstract base class for all geometry classes.
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246 | *
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247 | * Note that the family of spatial analysis methods (Equal(), Disjoint(), ...,
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248 | * ConvexHull(), Buffer(), ...) are not implemented at ths time. Some other
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249 | * required and optional geometry methods have also been omitted at this
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250 | * time.
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251 | */
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252 | |||
253 | class CPL_DLL OGRGeometry |
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254 | { |
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255 | private:
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256 | OGRSpatialReference * poSRS; // may be NULL
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257 | |||
258 | public:
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259 | OGRGeometry(); |
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260 | virtual ~OGRGeometry(); |
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261 | |||
262 | // standard IGeometry
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263 | virtual int getDimension() const = 0; |
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264 | virtual int getCoordinateDimension() const = 0; |
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265 | virtual OGRBoolean IsEmpty() const { return 0; } |
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266 | virtual OGRBoolean IsSimple() const { return 1; } |
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267 | virtual void empty() = 0; |
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268 | virtual OGRGeometry *clone() const = 0; |
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269 | virtual void getEnvelope( OGREnvelope * psEnvelope ) const = 0; |
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270 | |||
271 | // IWks Interface
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272 | virtual int WkbSize() const = 0; |
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273 | virtual OGRErr importFromWkb( unsigned char *, int=-1 )=0; |
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274 | virtual OGRErr exportToWkb( OGRwkbByteOrder, unsigned char * ) const = 0; |
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275 | virtual OGRErr importFromWkt( char ** ppszInput ) = 0; |
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276 | virtual OGRErr exportToWkt( char ** ppszDstText ) const = 0; |
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277 | |||
278 | // non-standard
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279 | virtual OGRwkbGeometryType getGeometryType() const = 0; |
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280 | virtual const char *getGeometryName() const = 0; |
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281 | virtual void dumpReadable( FILE *, const char * = NULL ); |
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282 | virtual void flattenTo2D() = 0; |
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283 | virtual char * exportToGML() const; |
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284 | virtual geos::Geometry *exportToGEOS() const;
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285 | virtual void closeRings();
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286 | |||
287 | void assignSpatialReference( OGRSpatialReference * poSR );
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288 | OGRSpatialReference *getSpatialReference( void ) const { return poSRS; } |
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289 | |||
290 | virtual OGRErr transform( OGRCoordinateTransformation *poCT ) = 0;
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291 | OGRErr transformTo( OGRSpatialReference *poSR ); |
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292 | |||
293 | // ISpatialRelation
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294 | virtual OGRBoolean Intersect( OGRGeometry * ) const;
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295 | virtual OGRBoolean Equal( OGRGeometry * ) const = 0; |
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296 | virtual OGRBoolean Disjoint( const OGRGeometry * ) const; |
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297 | virtual OGRBoolean Touches( const OGRGeometry * ) const; |
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298 | virtual OGRBoolean Crosses( const OGRGeometry * ) const; |
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299 | virtual OGRBoolean Within( const OGRGeometry * ) const; |
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300 | virtual OGRBoolean Contains( const OGRGeometry * ) const; |
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301 | virtual OGRBoolean Overlaps( const OGRGeometry * ) const; |
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302 | // virtual OGRBoolean Relate( const OGRGeometry *, const char * ) const;
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303 | |||
304 | virtual OGRGeometry *getBoundary() const;
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305 | virtual double Distance( const OGRGeometry * ) const; |
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306 | virtual OGRGeometry *ConvexHull() const;
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307 | virtual OGRGeometry *Buffer( double dfDist, int nQuadSegs = 30 ) const; |
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308 | virtual OGRGeometry *Intersection( const OGRGeometry *) const; |
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309 | virtual OGRGeometry *Union( const OGRGeometry * ) const; |
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310 | virtual OGRGeometry *Difference( const OGRGeometry * ) const; |
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311 | virtual OGRGeometry *SymmetricDifference( const OGRGeometry * ) const; |
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312 | |||
313 | // Special HACK for DB2 7.2 support
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314 | static int bGenerate_DB2_V72_BYTE_ORDER; |
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315 | }; |
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316 | |||
317 | /************************************************************************/
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318 | /* OGRPoint */
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319 | /************************************************************************/
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320 | |||
321 | /**
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322 | * Point class.
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323 | *
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324 | * Implements SFCOM IPoint methods.
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325 | */
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326 | |||
327 | class CPL_DLL OGRPoint : public OGRGeometry |
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328 | { |
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329 | double x;
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330 | double y;
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331 | double z;
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332 | |||
333 | public:
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334 | OGRPoint(); |
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335 | OGRPoint( double x, double y, double z = 0.0 ); |
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336 | virtual ~OGRPoint(); |
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337 | |||
338 | // IWks Interface
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339 | virtual int WkbSize() const; |
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340 | virtual OGRErr importFromWkb( unsigned char *, int=-1 ); |
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341 | virtual OGRErr exportToWkb( OGRwkbByteOrder, unsigned char * ) const; |
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342 | virtual OGRErr importFromWkt( char ** );
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343 | virtual OGRErr exportToWkt( char ** ppszDstText ) const; |
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344 | |||
345 | // IGeometry
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346 | virtual int getDimension() const; |
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347 | virtual int getCoordinateDimension() const; |
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348 | virtual OGRGeometry *clone() const;
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349 | virtual void empty();
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350 | virtual void getEnvelope( OGREnvelope * psEnvelope ) const; |
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351 | |||
352 | // IPoint
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353 | double getX() const { return x; } |
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354 | double getY() const { return y; } |
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355 | double getZ() const { return z; } |
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356 | |||
357 | // Non standard
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358 | void setX( double xIn ) { x = xIn; } |
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359 | void setY( double yIn ) { y = yIn; } |
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360 | void setZ( double zIn ) { z = zIn; } |
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361 | |||
362 | // ISpatialRelation
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363 | virtual OGRBoolean Equal( OGRGeometry * ) const;
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364 | |||
365 | // Non standard from OGRGeometry
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366 | virtual const char *getGeometryName() const; |
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367 | virtual OGRwkbGeometryType getGeometryType() const;
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368 | virtual OGRErr transform( OGRCoordinateTransformation *poCT ); |
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369 | virtual void flattenTo2D();
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370 | |||
371 | }; |
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372 | |||
373 | /************************************************************************/
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374 | /* OGRCurve */
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375 | /************************************************************************/
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376 | |||
377 | /**
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378 | * Abstract curve base class.
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379 | */
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380 | |||
381 | class CPL_DLL OGRCurve : public OGRGeometry |
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382 | { |
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383 | public:
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384 | OGRCurve(); |
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385 | virtual ~OGRCurve(); |
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386 | // ICurve methods
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387 | virtual double get_Length() const = 0; |
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388 | virtual void StartPoint(OGRPoint *) const = 0; |
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389 | virtual void EndPoint(OGRPoint *) const = 0; |
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390 | virtual int get_IsClosed() const; |
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391 | virtual void Value( double, OGRPoint * ) const = 0; |
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392 | |||
393 | }; |
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394 | |||
395 | /************************************************************************/
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396 | /* OGRLineString */
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397 | /************************************************************************/
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398 | |||
399 | /**
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400 | * Concrete representation of a multi-vertex line.
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401 | */
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402 | |||
403 | class CPL_DLL OGRLineString : public OGRCurve |
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404 | { |
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405 | protected:
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406 | int nPointCount;
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407 | OGRRawPoint *paoPoints; |
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408 | double *padfZ;
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409 | |||
410 | void Make3D();
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411 | void Make2D();
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412 | |||
413 | public:
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414 | OGRLineString(); |
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415 | virtual ~OGRLineString(); |
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416 | |||
417 | // IWks Interface
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418 | virtual int WkbSize() const; |
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419 | virtual OGRErr importFromWkb( unsigned char *, int = -1 ); |
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420 | virtual OGRErr exportToWkb( OGRwkbByteOrder, unsigned char * ) const; |
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421 | virtual OGRErr importFromWkt( char ** );
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422 | virtual OGRErr exportToWkt( char ** ppszDstText ) const; |
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423 | |||
424 | // IGeometry interface
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425 | virtual int getDimension() const; |
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426 | virtual int getCoordinateDimension() const; |
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427 | virtual OGRGeometry *clone() const;
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428 | virtual void empty();
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429 | virtual void getEnvelope( OGREnvelope * psEnvelope ) const; |
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430 | |||
431 | // ICurve methods
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432 | virtual double get_Length() const; |
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433 | virtual void StartPoint(OGRPoint *) const; |
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434 | virtual void EndPoint(OGRPoint *) const; |
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435 | virtual void Value( double, OGRPoint * ) const; |
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436 | |||
437 | // ILineString methods
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438 | int getNumPoints() const { return nPointCount; } |
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439 | void getPoint( int, OGRPoint * ) const; |
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440 | double getX( int i ) const { return paoPoints[i].x; } |
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441 | double getY( int i ) const { return paoPoints[i].y; } |
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442 | double getZ( int i ) const; |
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443 | |||
444 | // ISpatialRelation
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445 | virtual OGRBoolean Equal( OGRGeometry * ) const;
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446 | |||
447 | // non standard.
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448 | void setNumPoints( int ); |
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449 | void setPoint( int, OGRPoint * ); |
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450 | void setPoint( int, double, double, double = 0.0 ); |
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451 | void setPoints( int, OGRRawPoint *, double * = NULL ); |
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452 | void setPoints( int, double * padfX, double * padfY, |
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453 | double *padfZ = NULL ); |
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454 | void addPoint( OGRPoint * );
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455 | void addPoint( double, double, double = 0.0 ); |
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456 | |||
457 | // non-standard from OGRGeometry
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458 | virtual OGRwkbGeometryType getGeometryType() const;
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459 | virtual const char *getGeometryName() const; |
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460 | virtual OGRErr transform( OGRCoordinateTransformation *poCT ); |
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461 | virtual void flattenTo2D();
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462 | |||
463 | }; |
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464 | |||
465 | /************************************************************************/
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466 | /* OGRLinearRing */
|
||
467 | /* */
|
||
468 | /* This is an alias for OGRLineString for now. */
|
||
469 | /************************************************************************/
|
||
470 | |||
471 | /**
|
||
472 | * Concrete representation of a closed ring.
|
||
473 | *
|
||
474 | * This class is functionally equivelent to an OGRLineString, but has a
|
||
475 | * separate identity to maintain alignment with the OpenGIS simple feature
|
||
476 | * data model. It exists to serve as a component of an OGRPolygon.
|
||
477 | */
|
||
478 | |||
479 | class CPL_DLL OGRLinearRing : public OGRLineString |
||
480 | { |
||
481 | private:
|
||
482 | friend class OGRPolygon; |
||
483 | |||
484 | // These are not IWks compatible ... just a convenience for OGRPolygon.
|
||
485 | virtual int _WkbSize( int b3D ) const; |
||
486 | virtual OGRErr _importFromWkb( OGRwkbByteOrder, int b3D,
|
||
487 | unsigned char *, int=-1 ); |
||
488 | virtual OGRErr _exportToWkb( OGRwkbByteOrder, int b3D,
|
||
489 | unsigned char * ) const; |
||
490 | |||
491 | public:
|
||
492 | OGRLinearRing(); |
||
493 | OGRLinearRing( OGRLinearRing * ); |
||
494 | ~OGRLinearRing(); |
||
495 | |||
496 | // Non standard.
|
||
497 | virtual const char *getGeometryName() const; |
||
498 | virtual OGRGeometry *clone() const;
|
||
499 | virtual int isClockwise() const; |
||
500 | virtual void closeRings();
|
||
501 | virtual double get_Area() const; |
||
502 | |||
503 | // IWks Interface - Note this isnt really a first class object
|
||
504 | // for the purposes of WKB form. These methods always fail since this
|
||
505 | // object cant be serialized on its own.
|
||
506 | virtual int WkbSize() const; |
||
507 | virtual OGRErr importFromWkb( unsigned char *, int=-1 ); |
||
508 | virtual OGRErr exportToWkb( OGRwkbByteOrder, unsigned char * ) const; |
||
509 | }; |
||
510 | |||
511 | /************************************************************************/
|
||
512 | /* OGRSurface */
|
||
513 | /************************************************************************/
|
||
514 | |||
515 | /**
|
||
516 | * Abstract base class for 2 dimensional objects like polygons.
|
||
517 | */
|
||
518 | |||
519 | class CPL_DLL OGRSurface : public OGRGeometry |
||
520 | { |
||
521 | public:
|
||
522 | virtual double get_Area() const = 0; |
||
523 | virtual OGRErr Centroid( OGRPoint * poPoint ) const = 0; |
||
524 | virtual OGRErr PointOnSurface( OGRPoint * poPoint ) const = 0; |
||
525 | }; |
||
526 | |||
527 | /************************************************************************/
|
||
528 | /* OGRPolygon */
|
||
529 | /************************************************************************/
|
||
530 | |||
531 | /**
|
||
532 | * Concrete class representing polygons.
|
||
533 | *
|
||
534 | * Note that the OpenGIS simple features polygons consist of one outer
|
||
535 | * ring, and zero or more inner rings. A polygon cannot represent disconnected
|
||
536 | * regions (such as multiple islands in a political body). The
|
||
537 | * OGRMultiPolygon must be used for this.
|
||
538 | */
|
||
539 | |||
540 | class CPL_DLL OGRPolygon : public OGRSurface |
||
541 | { |
||
542 | int nRingCount;
|
||
543 | OGRLinearRing **papoRings; |
||
544 | |||
545 | public:
|
||
546 | OGRPolygon(); |
||
547 | virtual ~OGRPolygon(); |
||
548 | |||
549 | // Non standard (OGRGeometry).
|
||
550 | virtual const char *getGeometryName() const; |
||
551 | virtual OGRwkbGeometryType getGeometryType() const;
|
||
552 | virtual OGRGeometry *clone() const;
|
||
553 | virtual void empty();
|
||
554 | virtual OGRErr transform( OGRCoordinateTransformation *poCT ); |
||
555 | virtual void flattenTo2D();
|
||
556 | |||
557 | // ISurface Interface
|
||
558 | virtual double get_Area() const; |
||
559 | virtual int Centroid( OGRPoint * poPoint ) const; |
||
560 | virtual int PointOnSurface( OGRPoint * poPoint ) const; |
||
561 | |||
562 | // IWks Interface
|
||
563 | virtual int WkbSize() const; |
||
564 | virtual OGRErr importFromWkb( unsigned char *, int = -1 ); |
||
565 | virtual OGRErr exportToWkb( OGRwkbByteOrder, unsigned char * ) const; |
||
566 | virtual OGRErr importFromWkt( char ** );
|
||
567 | virtual OGRErr exportToWkt( char ** ppszDstText ) const; |
||
568 | |||
569 | // IGeometry
|
||
570 | virtual int getDimension() const; |
||
571 | virtual int getCoordinateDimension() const; |
||
572 | virtual void getEnvelope( OGREnvelope * psEnvelope ) const; |
||
573 | |||
574 | // ISpatialRelation
|
||
575 | virtual OGRBoolean Equal( OGRGeometry * ) const;
|
||
576 | |||
577 | // Non standard
|
||
578 | void addRing( OGRLinearRing * );
|
||
579 | void addRingDirectly( OGRLinearRing * );
|
||
580 | |||
581 | OGRLinearRing *getExteriorRing(); |
||
582 | const OGRLinearRing *getExteriorRing() const; |
||
583 | int getNumInteriorRings() const; |
||
584 | OGRLinearRing *getInteriorRing( int );
|
||
585 | const OGRLinearRing *getInteriorRing( int ) const; |
||
586 | |||
587 | virtual void closeRings();
|
||
588 | }; |
||
589 | |||
590 | /************************************************************************/
|
||
591 | /* OGRGeometryCollection */
|
||
592 | /************************************************************************/
|
||
593 | |||
594 | /**
|
||
595 | * A collection of 1 or more geometry objects.
|
||
596 | *
|
||
597 | * All geometries must share a common spatial reference system, and
|
||
598 | * Subclasses may impose additional restrictions on the contents.
|
||
599 | */
|
||
600 | |||
601 | class CPL_DLL OGRGeometryCollection : public OGRGeometry |
||
602 | { |
||
603 | int nGeomCount;
|
||
604 | OGRGeometry **papoGeoms; |
||
605 | |||
606 | int nCoordinateDimension;
|
||
607 | |||
608 | public:
|
||
609 | OGRGeometryCollection(); |
||
610 | virtual ~OGRGeometryCollection(); |
||
611 | |||
612 | // Non standard (OGRGeometry).
|
||
613 | virtual const char *getGeometryName() const; |
||
614 | virtual OGRwkbGeometryType getGeometryType() const;
|
||
615 | virtual OGRGeometry *clone() const;
|
||
616 | virtual void empty();
|
||
617 | virtual OGRErr transform( OGRCoordinateTransformation *poCT ); |
||
618 | virtual void flattenTo2D();
|
||
619 | |||
620 | // IWks Interface
|
||
621 | virtual int WkbSize() const; |
||
622 | virtual OGRErr importFromWkb( unsigned char *, int = -1 ); |
||
623 | virtual OGRErr exportToWkb( OGRwkbByteOrder, unsigned char * ) const; |
||
624 | virtual OGRErr importFromWkt( char ** );
|
||
625 | virtual OGRErr exportToWkt( char ** ppszDstText ) const; |
||
626 | |||
627 | // IGeometry methods
|
||
628 | virtual int getDimension() const; |
||
629 | virtual int getCoordinateDimension() const; |
||
630 | virtual void getEnvelope( OGREnvelope * psEnvelope ) const; |
||
631 | |||
632 | // IGeometryCollection
|
||
633 | int getNumGeometries() const; |
||
634 | OGRGeometry *getGeometryRef( int );
|
||
635 | const OGRGeometry *getGeometryRef( int ) const; |
||
636 | |||
637 | // ISpatialRelation
|
||
638 | virtual OGRBoolean Equal( OGRGeometry * ) const;
|
||
639 | |||
640 | // Non standard
|
||
641 | virtual OGRErr addGeometry( const OGRGeometry * );
|
||
642 | virtual OGRErr addGeometryDirectly( OGRGeometry * ); |
||
643 | virtual OGRErr removeGeometry( int iIndex, int bDelete = TRUE ); |
||
644 | |||
645 | void closeRings();
|
||
646 | }; |
||
647 | |||
648 | /************************************************************************/
|
||
649 | /* OGRMultiPolygon */
|
||
650 | /************************************************************************/
|
||
651 | |||
652 | /**
|
||
653 | * A collection of non-overlapping OGRPolygons.
|
||
654 | *
|
||
655 | * Note that the IMultiSurface class hasn't been modelled, nor have any
|
||
656 | * of it's methods.
|
||
657 | */
|
||
658 | |||
659 | class CPL_DLL OGRMultiPolygon : public OGRGeometryCollection |
||
660 | { |
||
661 | public:
|
||
662 | OGRMultiPolygon(); |
||
663 | // Non standard (OGRGeometry).
|
||
664 | virtual const char *getGeometryName() const; |
||
665 | virtual OGRwkbGeometryType getGeometryType() const;
|
||
666 | virtual OGRGeometry *clone() const;
|
||
667 | virtual OGRErr importFromWkt( char ** );
|
||
668 | virtual OGRErr exportToWkt( char ** ) const; |
||
669 | |||
670 | // Non standard
|
||
671 | virtual OGRErr addGeometryDirectly( OGRGeometry * ); |
||
672 | |||
673 | double get_Area() const; |
||
674 | }; |
||
675 | |||
676 | /************************************************************************/
|
||
677 | /* OGRMultiPoint */
|
||
678 | /************************************************************************/
|
||
679 | |||
680 | /**
|
||
681 | * A collection of OGRPoints.
|
||
682 | */
|
||
683 | |||
684 | class CPL_DLL OGRMultiPoint : public OGRGeometryCollection |
||
685 | { |
||
686 | private:
|
||
687 | OGRErr importFromWkt_Bracketed( char ** );
|
||
688 | |||
689 | public:
|
||
690 | OGRMultiPoint(); |
||
691 | // Non standard (OGRGeometry).
|
||
692 | virtual const char *getGeometryName() const; |
||
693 | virtual OGRwkbGeometryType getGeometryType() const;
|
||
694 | virtual OGRGeometry *clone() const;
|
||
695 | virtual OGRErr importFromWkt( char ** );
|
||
696 | virtual OGRErr exportToWkt( char ** ) const; |
||
697 | |||
698 | // Non standard
|
||
699 | virtual OGRErr addGeometryDirectly( OGRGeometry * ); |
||
700 | }; |
||
701 | |||
702 | /************************************************************************/
|
||
703 | /* OGRMultiLineString */
|
||
704 | /************************************************************************/
|
||
705 | |||
706 | /**
|
||
707 | * A collection of OGRLineStrings.
|
||
708 | */
|
||
709 | |||
710 | class CPL_DLL OGRMultiLineString : public OGRGeometryCollection |
||
711 | { |
||
712 | public:
|
||
713 | OGRMultiLineString(); |
||
714 | ~OGRMultiLineString(); |
||
715 | // Non standard (OGRGeometry).
|
||
716 | virtual const char *getGeometryName() const; |
||
717 | virtual OGRwkbGeometryType getGeometryType() const;
|
||
718 | virtual OGRGeometry *clone() const;
|
||
719 | virtual OGRErr importFromWkt( char ** );
|
||
720 | virtual OGRErr exportToWkt( char ** ) const; |
||
721 | |||
722 | // Non standard
|
||
723 | virtual OGRErr addGeometryDirectly( OGRGeometry * ); |
||
724 | }; |
||
725 | |||
726 | |||
727 | /************************************************************************/
|
||
728 | /* OGRGeometryFactory */
|
||
729 | /************************************************************************/
|
||
730 | |||
731 | /**
|
||
732 | * Create geometry objects from well known text/binary.
|
||
733 | */
|
||
734 | |||
735 | class CPL_DLL OGRGeometryFactory |
||
736 | { |
||
737 | public:
|
||
738 | static OGRErr createFromWkb( unsigned char *, OGRSpatialReference *, |
||
739 | OGRGeometry **, int = -1 ); |
||
740 | static OGRErr createFromWkt( char **, OGRSpatialReference *, |
||
741 | OGRGeometry ** ); |
||
742 | static OGRGeometry *createFromGML( const char * ); |
||
743 | static OGRGeometry *createFromGEOS( const geos::Geometry * ); |
||
744 | |||
745 | static void destroyGeometry( OGRGeometry * ); |
||
746 | static OGRGeometry *createGeometry( OGRwkbGeometryType );
|
||
747 | |||
748 | static OGRGeometry * forceToPolygon( OGRGeometry * );
|
||
749 | static OGRGeometry * forceToMultiPolygon( OGRGeometry * );
|
||
750 | static OGRGeometry * forceToMultiPoint( OGRGeometry * );
|
||
751 | static OGRGeometry * forceToMultiLineString( OGRGeometry * );
|
||
752 | |||
753 | static geos::GeometryFactory *getGEOSGeometryFactory();
|
||
754 | |||
755 | }; |
||
756 | |||
757 | #endif /* ndef _OGR_GEOMETRY_H_INCLUDED */ |